Doubly committed subarterial ventricular septal defect with muscular posterior inferior rim
Ventricular septal defect with anterior malaligned outlet septum with overriding pulmonary valve
Pulmonary atresia with ventricular septal defect
Septum interventricular patent
Doubly committed ventricular septal defect in double outlet ventricle
Membranous ventricular septum defect
Pulmonary atresia and ventricular septal defect with aorta from left ventricle
Congenital prolapse of aortic valve
Doubly committed juxta-arterial outlet ventricular septal defect with posteriorly malaligned outlet septum
Ventricular septal defect with posterior malaligned outlet septum with overriding pulmonary valve
vsd
Origin of both great vessels from right ventricle
Double outlet right ventricle with subaortic ventricular septal defect without pulmonary stenosis
Perimembranous ventricular septal defect with extension to right ventricular outlet
Double outlet ventriculoarterial connections
Roger disease
Ventricular septal defect with absent outlet septum and overriding truncal valve with extension of membranous septum
Spontaneous reduction in size of ventricular septal defect due to tissue of membranous septum
Congenital Gerbode defect
Aortic valve overriding ventricular septum
Hypoplasia of infundibular septum
Muscular ventricular septal defect
Congenital subaortic stenosis due to restrictive ventricular septal defect associated with functionally univentricular heart
Doubly committed juxta-arterial ventricular septal defect with anteriorly malaligned fibrous outlet septum and muscular postero-inferior rim
Muscular ventricular septum defect
Ventricular septal defect with malaligned outlet septum
TGA - Transposition of great arteries
Small ventricular septal defect
Defect interventricular septum
Outlet ventricular septal defect with anteriorly malaligned outlet septum
Anterior muscular trabecular ventricular septal defect
Doubly committed subarterial ventricular septal defect
Muscular ventricular septal defect opening to right ventricular inlet
Double outlet right ventricle with doubly committed ventricular septal defect and pulmonary stenosis
Perimembranous outlet ventricular septal defect with anteriorly malaligned outlet septum
Perimembranous inlet ventricular septal defect with atrioventricular septal malalignment
Doubly committed juxta-arterial outlet ventricular septal defect with anteriorly malaligned outlet septum
Posterior perimembranous ventricular septal defect
Laubry Pezzi syndrome
Ventricular septal defect NOS
Absent pulmonary valve syndrome
Congenital abnormality of ventricles and ventricular septum
Asymptomatic ventricular septal defect
Muscular ventricular septal defect in marginal septum
Defect, Ventricular Septal
Absent outlet septum
Perimembranous ventricular septal defect with extension to right ventricular trabecular component
Ventriculoseptal defect
Muscular ventricular septal defect in apical trabecular septum
Ventricular septal defect, spontaneous closure
Transposition of great arteries
ventricular septal defects
Maladie de Roger
Double outlet right ventricle
Spontaneous reduction in size of ventricular septal defect
Ventricular septal defect with posterior malaligned outlet septum with overriding aortic valve
Ventricular septal defect of inlet of right aspect of ventricular septum
Haemodynamically insignificant ventricular septal defect
Ventricular septal abnormality (disorder)
Ventricular septal defect between left ventricle and right atrium
Spontaneous reduction in size of ventricular septal defect due to prolapse of cusp of aortic valve
Endocardial cushion defect
VSD - Ventricular septal defect
Swiss cheese heart
Eisenmenger ventricular septal defect
Congenital abnormality of truncal valve
Functionally univentricular heart
Taussig-Bing defect
Double outlet right ventricle with doubly committed ventricular septal defect
Ventricular septal defect, small
Double outlet right ventricle with noncommitted ventricular septal defect
Double outlet right ventricle with subpulmonary ventricular septal defect
Roger's disease
Gerbode defect
Congenital subaortic stenosis
Muscular ventricular septal defect in inlet septum
Double outlet right ventricle with subaortic or doubly committed ventricular septal defect without pulmonary stenosis - ventricular septal defect type
Infectious endocarditis at site of ventricular septal defect
interventricular septal defect
Septal Defect, Intraventricular
PAVSD - Pulmonary atresia with ventricular septal defect
Congenital absence of pulmonary valve
Multiple muscular ventricular septum defect
Ventricular septal defect with absent outlet septum and overriding truncal valve
Pulmonary atresia and ventricular septal defect with aorta from right ventricle
Ventricular septal defect with absent outlet septum and overriding truncal valve with inferior muscular rim
Outlet ventricular septal defect with posteriorly malaligned outlet septum
Intraventricular Septal Defects
Confluent muscular ventricular septal defect
Defect, Intraventricular Septal
Ventricular septal defect with malaligned outlet septum to right
Perimembranous inlet ventricular septal defect
Hemodynamically insignificant ventricular septal defect
Doubly committed ventricular septal defect in double outlet ventriculoarterial connection
Transposition of great vessels, interventricular septal defect AND overriding aorta
Multiple ventricular septal defects
Inferior muscular trabecular ventricular septal defect
Muscular ventricular septal defect in trabecular septum
Spontaneous reduction in size of ventricular septal defect due to accessory tissue of atrioventricular valve
Multiple trabecular ventricular septal defect
Acquired subaortic stenosis
Ventricular septal defect with aortic insufficiency
Intraventricular Septal Defect
Double outlet right ventricle with subaortic or doubly committed ventricular septal defect and pulmonary stenosis Fallot type
Doubly committed juxta-arterial outlet ventricular septal defect with perimembranous extension and anteriorly malaligned outlet septum
Common atrioventricular-type ventricular septal defect
Congenital subvalvular aortic stenosis
Infective endocarditis at site of ventricular septal defect
Absent pulmonary valve syndrome with ventricular septal defect of non Fallot type
Perimembranous outlet ventricular septal defect with posteriorly malaligned outlet septum
Eisenmenger's ventricular septal defect
DCSA - Doubly committed subarterial defect
Subarterial ventricular septal defect
Atrioventricular septal defect with additional muscular ventricular septal defect
Septal Defects, Ventricular
Confluent perimembranous ventricular septal defect
Spontaneous closure of ventricular septal defect
Transposition of great vessels
Nearly absent ventricular septum
Residual ventricular septal defect
Fallot type double outlet right ventricle
Perimembranous ventricular septal defect with extension to all right ventricular components
Acquired subaortic stenosis associated with functionally univentricular heart
Supracristal ventricular septal defect
Absent left sided atrioventricular connection
Imperforate pulmonary valve
TGV - Transposition of great vessels
Ventricular Septal Defect (VSD)
Subaortic stenosis due to restrictive ventricular septal defect in functionally univentricular heart
Subpulmonic ventricular septal defect
Absent pulmonary valve
Congenital aortic valvar prolapse
Infective endocarditis at site of patch of ventricular septal defect
Ventricular septal defect (disorder)
Infectious endocarditis at site of patch of ventricular septal defect
Discordant ventriculoarterial connection
Septal Defect, Ventricular
Muscular ventricular septal defect in outlet septum
Congenital ventricular septal defect (disorder)
Interventricular communication
Congenital atresia of pulmonary valve
Acquired subaortic stenosis due to restrictive ventricular septal defect associated with functionally univentricular heart
Doubly committed juxta-arterial outlet ventricular septal defect with perimembranous extension
Giant ventricular septal defect
Left ventricular-right atrial communication
Doubly committed juxta-arterial outlet ventricular septal defect with perimembranous extension and posteriorly malaligned outlet septum
Right sided atrium connecting to left ventricle
Ventricular septal abnormality
Spontaneous closure of ventricular septal defect due to fibromuscular reaction
Ventricular septal defect with malaligned outlet septum to left
Ventricular septal defect with anterior malaligned outlet septum with overriding aortic valve
Muscular ventricular septal defect in central trabecular septum
Congenital anomaly of atrioventricular septum
Double outlet right ventricle with subaortic ventricular septal defect
Spontaneous closure of ventricular septal defect due to tissue of membranous septum
Transposition of great arteries with concordant atrioventricular connections and ventricular septal defect
Septal Defects, Intraventricular
Perimembranous ventricular septal defect with extension to right ventricular inlet
Spontaneous reduction in size of ventricular septal defect due to fibromuscular reaction
Non-restrictive ventricular septal defect
Single muscular ventricular septum defect
APVS - Absent pulmonary valve syndrome
Roger's disease (disorder)
Cranial perimembranous ventricular septal defect
Taussig-Bing syndrome
Congenital ventricular septal defect
Anterior perimembranous ventricular septal defect
Congenital absence of pulmonic valve
Defects, Intraventricular Septal
Heart Septal Defects, Ventricular
Doubly committed subarterial ventricular septal defect with membranous septum extension
Central basal perimembranous ventricular septal defect
Transposition of great arteries with concordant atrioventricular connections and ventricular septal defect and left ventricular outflow tract obstruction
Perimembranous ventricular septal defect
DORV - Double outlet right ventricle
Hole in heart wall separating two lower heart chambers
Concordant atrioventricular connections

Frequently Asked Questions

What is the ICD-10 code for ventricular septal defect?

The ICD-10-CM code for ventricular septal defect is Q21.0. The full clinical description is "Ventricular septal defect". Q21.0 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code Q21.0 mean?

ICD-10-CM code Q21.0 represents “Ventricular septal defect”. It is classified under Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities and is a billable/specific code that can be used on a claim.

Is Q21.0 a billable code?

Yes, Q21.0 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is Q21.0 in?

Q21.0 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).

What codes cannot be used with Q21.0?

Q21.0 has Excludes1 notes indicating codes that cannot be used together with it, including: acquired cardiac septal defect (I51.0).

What SNOMED CT codes does Q21.0 map to?

Q21.0 maps to 110 SNOMED CT concepts: 253596003, 253290005, 253562005, 6996004, 448475002, and 105 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for Q21.0?

Q21.0 is linked to 2 UMLS Concept Unique Identifiers: C0238522, C0018818. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does Q21.0 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like ventricular septal defect affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

What is the ICD-11 equivalent of Q21.0?

Q21.0 maps to the ICD-11 code: LA88.4Z (Ventricular septal defect, unspecified).

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.